Display panel

Abstract

An embodiment of the present application discloses a display panel, in which a light-emitting layer is disposed on a driving substrate. The light-emitting layer includes a plurality of light-emitting pixels. An anti-peeking structure layer is disposed on the light-emitting layer. The anti-peeking structure layer includes a first light-transmitting layer and a second light-transmitting layer. The first light-transmitting layer is disposed on a side of the light-emitting layer away from the driving substrate. The second light-transmitting layer is disposed on a side of the first light-transmitting layer away from the driving substrate. The first light-transmitting layer at least includes a component part, and the component part is disposed overlapping with the light-emitting pixel. The component part includes a first part, and the first part and the second light-transmitting layer form a first total reflection interface, and the first total reflection interface is used for reflecting part of the light to the backlight side of the display panel. In the embodiment of the present application, the component part and the second light-transmitting layer are in contact to form the first total reflection interface. Then, when light at a large angle irradiates the first total reflection interface, it is reflected by the first total reflection interface to the backlight side, reducing the emission of light at a large angle, thereby realizing the anti-peeking function.

Description

Technical Field

[0001] This application relates to the field of display technologies, and particularly to a display panel. Background Art

[0002] Organic light-emitting diode panels are widely used in smart phones. When using a smart phone in a public place, anti-peeping is an important user requirement. The current mainstream anti-peeping function is achieved through an anti-peeping film, and the viewing angle is reduced by controlling the grating in the anti-peeping film. However, this method will cause the screen brightness to become dim and increase the power consumption of the screen. Summary of the Invention

[0003] An embodiment of this application provides a display panel that can achieve an anti-peeping function.

[0004] An embodiment of this application provides a display panel, which includes:

[0005] A driving substrate;

[0006] A light-emitting layer, which is disposed on the driving substrate. The light-emitting layer includes a plurality of light-emitting pixels, and

[0007] An anti-peeping structure layer, which is disposed on the light-emitting layer; the anti-peeping structure layer includes a first light-transmitting layer and a second light-transmitting layer. The first light-transmitting layer is disposed on the side of the light-emitting layer away from the driving substrate, and the second light-transmitting layer is disposed on the side of the first light-transmitting layer away from the driving substrate;

[0008] The first light-transmitting layer at least includes a component part, and the component part is disposed overlapping with the light-emitting pixel;

[0009] The component part includes a first part, and the first part forms a first total reflection interface with the second light-transmitting layer. The first total reflection interface is used to reflect part of the light to the backlight side of the display panel.

[0010] Optionally, in some embodiments of this application, the anti-peeping structure layer further includes a third light-transmitting layer, which is disposed on the side of the first light-transmitting layer close to the light-emitting layer, and openings corresponding to the light-emitting pixels are disposed on the third light-transmitting layer;

[0011] The component part further includes a second part disposed on the side of the first part close to the driving substrate. The second part is disposed in the opening and forms a second total reflection interface with the side wall of the opening. The second total reflection interface is used to reduce the emission angle of part of the light.

[0012] Optionally, in some embodiments of the present application, the refractive index of the second light-transmitting layer is less than that of the component part, and the refractive index of the third light-transmitting layer is less than that of the component part.

[0013] Optionally, in some embodiments of the present application, in the direction from the driving substrate to the anti-peeping structure layer, the width of the first part of the component part decreases, and the width of the second part of the component part increases.

[0014] Optionally, in some embodiments of the present application, in the component part, the bottom surface of the second part is disposed opposite to the top surface of the first part, and the top surface of the first part is located on the side of the bottom surface of the second part away from the driving substrate;

[0015] The side surface of the first part has a first included angle with the plane where the top surface of the first part is located, and the side surface of the second part has a second included angle with the plane where the bottom surface of the second part is located. The first included angle is greater than or equal to 50 degrees and less than or equal to 75 degrees, and the second included angle is greater than or equal to 50 degrees and less than or equal to 75 degrees.

[0016] Optionally, in some embodiments of the present application, the thickness of the third light-transmitting layer is between 1.5 and 2.5 micrometers, and the thickness of the component part is between 3 and 4 micrometers.

[0017] Optionally, in some embodiments of the present application, the first included angle is equal to the second included angle.

[0018] Optionally, in some embodiments of the present application, the side surface of the first part is connected to the side surface of the second part.

[0019] Optionally, in some embodiments of the present application, the first light-transmitting layer further includes an intermediate layer, the intermediate layer is connected to the component part, and the intermediate layer is disposed on the side of the third light-transmitting layer away from the driving substrate.

[0020] Optionally, in some embodiments of the present application, the refractive index of the first light-transmitting layer is greater than or equal to 1.7, the refractive index of the second light-transmitting layer is less than or equal to 1.5, and the refractive index of the third light-transmitting layer is less than or equal to 1.5.

[0021] Optionally, in some embodiments of the present application, the display panel further includes a packaging layer, and the packaging layer is disposed between the light-emitting layer and the anti-peeping structure layer;

[0022] The packaging layer includes a first inorganic layer, an organic packaging layer, and a second inorganic layer stacked in sequence, or the packaging layer is an inorganic packaging layer.

[0023] Advantageous effects:

[0024] The display panel according to the embodiment of the present application includes a driving substrate, a light-emitting layer, and an anti-peeping structure layer. The light-emitting layer is disposed on the driving substrate. The light-emitting layer includes a plurality of light-emitting pixels. The anti-peeping structure layer is disposed on the light-emitting layer. The anti-peeping structure layer includes a first light-transmitting layer and a second light-transmitting layer. The first light-transmitting layer is disposed on the side of the light-emitting layer away from the driving substrate. The second light-transmitting layer is disposed on the side of the first light-transmitting layer away from the driving substrate. The first light-transmitting layer at least includes a component part, and the component part is disposed overlapping with the light-emitting pixel. The component part includes a first part, and the first part and the second light-transmitting layer form a first total reflection interface, and the first total reflection interface is used for reflecting part of the light to the backlight side of the display panel.

[0025] In the embodiment of the present application, a component part and a second light-transmitting layer are disposed on the light-emitting side of the light-emitting pixel, and the component part and the second light-transmitting layer are in contact to form a first total reflection interface. Then, when light at a large angle irradiates the first total reflection interface, it is reflected by the first total reflection interface to the backlight side, reducing the emission of light at a large angle, thereby realizing the anti-peeping function. Description of the Drawings

[0026] Figure 1 is a schematic structural diagram of the display panel provided by Embodiment 1 of the present application;

[0027] Figure 2 is a light path diagram of the display panel provided by Embodiment 1 of the present application;

[0028] Figure 3 is a schematic structural diagram of the display panel provided by Embodiment 2 of the present application;

[0029] Figure 4 is a light path diagram of the display panel provided by Embodiment 2 of the present application;

[0030] Figure 5 is a schematic structural diagram of the display panel provided by Embodiment 3 of the present application;

[0031] Figure 6 is a light path diagram of the display panel provided by Embodiment 3 of the present application. Detailed Embodiments

[0032] Next, the technical solutions in the embodiments of the present application will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative efforts belong to the scope of protection of the present application. In addition, it should be understood that the specific implementation manners described herein are only used to illustrate and explain the present application, and are not used to limit the present application. In the present application, unless otherwise stated, the orientation words such as "upper" and "lower" usually refer to the upper and lower in the actual use or working state of the device, specifically the drawing direction in the drawings; and "inner" and "outer" refer to the outline of the device; the terms "first", "second", "third", etc. are only used as labels, and do not impose numerical requirements or establish an order.

[0033] An embodiment of the present application provides a display panel, which will be described in detail below. It should be noted that the description order of the following embodiments does not limit the preferred order of the embodiments.

[0034] Embodiment 1

[0035] Please refer to Figure 1 and Figure 2 , an embodiment of the present application provides a display panel 100, which includes a driving substrate 10, a light-emitting layer 20, and an anti-peeping structure layer 30. The light-emitting layer 20 is disposed on the driving substrate 10. The light-emitting layer 20 includes a plurality of light-emitting pixels 21. The anti-peeping structure layer 30 is disposed on the light-emitting layer 20. The anti-peeping structure layer 30 includes a first light-transmitting layer 31 and a second light-transmitting layer 32. The first light-transmitting layer 31 is disposed on the side of the light-emitting layer 20 away from the driving substrate 10. The second light-transmitting layer 32 is disposed on the side of the first light-transmitting layer 31 away from the driving substrate 10. The first light-transmitting layer 31 at least includes a component part 311, and the component part 311 is overlapped with the light-emitting pixel 21. The component part 311 includes a first part 31a, and the first part 31a and the second light-transmitting layer 32 form a first total reflection interface f1, and the first total reflection interface f1 is used to reflect part of the light to the backlight side of the display panel 100.

[0036] In the embodiment of the present application, the component part 311 and the second light-transmitting layer 32 are disposed on the light-emitting side of the light-emitting pixel 21, and the component part 311 and the second light-transmitting layer 32 are in contact to form a first total reflection interface f1. Then, when light at a large angle irradiates the first total reflection interface f1, it is reflected by the first total reflection interface f1 to the backlight side, reducing the emission of light at a large angle, thereby realizing the anti-peeping function.

[0037] Optionally, the driving substrate 10 includes a substrate and a driving circuit layer disposed on the substrate. The driving circuit layer includes thin-film transistors, capacitors, etc. Among them, the substrate can be a flexible substrate or a rigid substrate.

[0038] Optionally, the light-emitting layer 20 may be a single-layer organic emission layer or a single-layer inorganic emission layer, such as Alq3, bis(2-methyl-8-hydroxyquinolinato-N1,O8)-(1,1'-biphenyl-4-olato)aluminum (BAlq), DPVBi, Almq3, 3-tert-butyl-9,10-di(2-naphthyl)anthracene (TBADN), or quantum dots, etc.

[0039] Alternatively, the light-emitting layer 20 may also be a stacked structure including a hole injection layer, a hole transport layer, an emission layer, an electron transport layer, and an electron injection layer.

[0040] It should be noted that an anode is provided on one side of the light-emitting layer 20, and a cathode is provided on the other side of the light-emitting layer 20 to cause the light-emitting layer 20 to emit light.

[0041] Optionally, there are multiple types of light-emitting pixels 21, such as a light-emitting pixel 21 that emits red light, a light-emitting pixel 21 that emits green light, and a light-emitting pixel 21 that emits blue light. A first total reflection interface f1 is correspondingly provided for each light-emitting pixel 21.

[0042] Optionally, in the orthographic projection direction of the display panel 100, the pattern of the light-emitting pixel 21 is completely located within the pattern of the component part 311. That is, the component part 311 completely covers the light-emitting pixel 21, so that the light emitted by the light-emitting pixel 21 can be radiated to the first total reflection interface f1 as much as possible, improving the anti-peeping effect.

[0043] Optionally, the width of the top surface of the first part 31a of the component part 311 is greater than or equal to the width of the light-emitting pixel 21 to improve the light extraction efficiency.

[0044] Optionally, the refractive index of the second light-transmitting layer 32 is less than the refractive index of the component part 311, so that a total reflection interface is formed at the connection interface between the component part 311 and the second light-transmitting layer 32.

[0045] Optionally, the refractive index of the first light-transmitting layer 31 is greater than or equal to 1.7. The refractive index of the second light-transmitting layer 32 is less than or equal to 1.5. For example, the refractive index of the first light-transmitting layer 31 may be 1.7, 1.8, or 1.9, etc., and the refractive index of the second light-transmitting layer 32 may be 1.5, 1.4, 1.3, 1.2, or 1.1, etc.

[0046] In some embodiments, the refractive index of the first light-transmitting layer 31 may also be less than 1.7, and the refractive index of the second light-transmitting layer 32 may also be greater than 1.5, as long as a total reflection interface is formed when the component part 311 of the first light-transmitting layer 31 contacts the second light-transmitting layer 32.

[0047] Optionally, the material of the first light-transmitting layer 31 may include an organic resin, such as an acrylate resin. The material of the second light-transmitting layer 32 may include an acrylic-based or epoxy-based organic resin. Of course, the first light-transmitting layer 31 and the second light-transmitting layer 32 may also be formed of an inorganic material.

[0048] Optionally, in the direction from the self-driving substrate 10 to the anti-peeping structure layer 30, the width of the first part 31a of the member portion 311 decreases.

[0049] That is to say, the first part 31a of the member portion 311 has a structure that is narrower at the top and wider at the bottom. For example, the pattern of its vertical section is trapezoidal or quasi-trapezoidal. When light at a large angle irradiates the side surface of the first part 31a, the light is reflected by the side surface to the top surface of the first part 31a, and then is reflected back to the backlight side by the top surface of the first part 31a. When it is necessary to further improve the anti-peeping effect, light at a large angle can be configured to irradiate the top surface of the first part 31a and be directly reflected back to the backlight side.

[0050] Optionally, the side surface of the first part 31a and the plane where the top surface of the first part 31a are located have a first included angle a1, and the first included angle a1 is greater than or equal to 50 degrees and less than or equal to 75 degrees.

[0051] It can be understood that when the first included angle a1 is smaller, the amount of light irradiating the side surface is more, the amount of reflected light is more, and the anti-peeping effect is better; when the first included angle a1 is larger, the amount of light irradiating the side surface is less, the amount of reflected light is less, the anti-peeping effect is worse but the light output effect is better.

[0052] In this embodiment, by setting the first included angle a1 to be greater than or equal to 50 degrees and less than or equal to 75 degrees, the anti-peeping effect is ensured and the risk of too dark light output brightness is avoided.

[0053] Optionally, the first included angle a1 may be 50 degrees, 55 degrees, 60 degrees, 65 degrees, 70 degrees or 75 degrees.

[0054] Optionally, the thickness of the member portion 311 is between 0.5 and 2.5 microns. It can be understood that when the thickness of the member portion 311 is larger, the amount of light irradiating the side surface is more, the amount of reflected light is more, and the anti-peeping effect is better; when the thickness of the member portion 311 is smaller, the amount of light irradiating the side surface is less, the amount of reflected light is less, the anti-peeping effect is worse but the light output effect is better.

[0055] In this embodiment, by setting the thickness of the member portion 311 to be between 0.5 and 2.5 microns, the anti-peeping effect is ensured and the risk of too dark light output brightness is avoided.

[0056] Optionally, the thickness of the component portion 311 can be 0.5 microns, 0.6 microns, 0.7 microns, 0.8 microns, 0.9 microns, 1 micron, 1.2 microns, 1.4 microns, 1.6 microns, 1.8 microns, 2 microns, 2.3 microns, or 2.5 microns.

[0057] In addition, in this embodiment, the first included angle a1 is set to be greater than or equal to 50 degrees and less than or equal to 75 degrees, and the thickness of the component portion 311 is between 0.5 and 2.5 microns, so as to reduce the risk of the light emission brightness of the display panel 100 being too dim on the premise of achieving the anti-peeping function.

[0058] Optionally, the thickness of the second light-transmitting layer 32 is between 4 and 15 microns, such as 4 microns, 5 microns, 6 microns, 7 microns, 8 microns, 9 microns, 10 microns, or 15 microns, etc. The relatively large thickness of the second light-transmitting layer 32 is to flatten the raised terrain of the component portion 311.

[0059] Optionally, the display panel 100 further includes a packaging layer 40, and the packaging layer 40 is disposed between the light-emitting layer 20 and the anti-peeping structure layer 30.

[0060] The packaging layer 40 includes a first inorganic layer, an organic packaging layer, and a second inorganic layer that are sequentially stacked.

[0061] In some embodiments, the packaging layer 40 is an inorganic packaging layer. That is, the packaging layer 40 is a single inorganic layer, and the anti-peeping structure layer 30 simultaneously serves as the packaging layer, achieving the effect of thinning the display panel 100.

[0062] In this embodiment, the display panel 100 may further include a touch layer 50, and the touch layer 50 is disposed between the packaging layer 40 and the anti-peeping structure layer 30. The touch layer 50 is disposed on the side of the anti-peeping structure layer 30 close to the light-emitting layer 20, so that the touch layer 50 is closer to the light-emitting layer 20, reducing the risk of more light being blocked by the touch layer 50 and reducing the risk of the light emission brightness being too low.

[0063] In this embodiment, the display panel 100 may further include an optical function layer 60, and the optical function layer 60 is disposed on the side of the anti-peeping structure layer 30 away from the substrate 10. Optionally, the optical function layer 60 may include a polarizing layer, an optical adhesive layer, and a cover plate that are sequentially stacked on the anti-peeping structure layer 30.

[0064] Embodiment Two

[0065] Please refer to Figure 3 and Figure 4, compared with the first embodiment, the difference between the second embodiment and the first embodiment is that the anti-peeping structure layer 30 further includes a third light-transmitting layer 33, and the third light-transmitting layer 33 is disposed on the side of the first light-transmitting layer 31 close to the light-emitting layer 20. An opening 331 corresponding to the light-emitting pixel 21 is provided on the third light-transmitting layer 33.

[0066] The component part 311 further includes a second part 31b disposed on the side of the first part 31a close to the driving substrate 10. The second part 31b is disposed in the opening 331 and forms a second total reflection interface f2 with the side wall of the opening 331. The second total reflection interface f2 is used to narrow the exit angle of some light rays.

[0067] When the light rays emitted by the light-emitting pixel 21 irradiate the second total reflection interface f2, they are reflected by the second total reflection interface f2, narrowing the exit angle, further improving the anti-peeping effect, and achieving a light-concentrating effect to improve the light-emitting brightness of the display panel 100.

[0068] Optionally, the refractive index of the third light-transmitting layer 33 is less than the refractive index of the component part 311, so that a total reflection interface is formed at the connection interface between the component part 311 and the third light-transmitting layer 33.

[0069] Optionally, the refractive index of the third light-transmitting layer 33 is greater than or equal to 1.7. The refractive index of the third light-transmitting layer 33 is less than or equal to 1.5. For example, the refractive index of the first light-transmitting layer 31 can be 1.7, 1.8 or 1.9, etc., and the refractive index of the third light-transmitting layer 33 can be 1.5, 1.4, 1.3, 1.2 or 1.1, etc.

[0070] In some embodiments, the refractive index of the first light-transmitting layer 31 can also be less than 1.7, and the refractive index of the third light-transmitting layer 33 can also be greater than 1.5, as long as the component part 311 of the first light-transmitting layer 31 contacts the third light-transmitting layer 33 to form a total reflection interface.

[0071] Optionally, the first part 31a and the second part 31b are integrally formed, and their materials are the same, so as to improve the preparation efficiency and avoid the risk of light path change in the component part 311.

[0072] Optionally, the top surface width of the first part 31a is greater than the bottom surface width of the second part 31b, and the bottom surface width of the second part 31b is greater than or equal to the width of the light-emitting pixel 21, so as to improve the light-emitting brightness.

[0073] Optionally, in the cross-sectional structure diagram, the pattern of the component part 311 is coaxially arranged with the pattern of the light-emitting pixel 21.

[0074] Optionally, in the direction from the driving substrate 10 to the anti-peeping structure layer 30, the width of the first part 31a of the component part 311 decreases, and the width of the second part 31b of the component part 311 increases.

[0075] That is to say, the first part 31a of the component part 311 has a structure that is narrower at the top and wider at the bottom. For example, the pattern of its vertical section is trapezoidal or trapezoid-like. When light rays at a large angle irradiate the side surface of the first part 31a, the light rays are reflected by the side surface to the top surface of the first part 31a, and then are reflected back to the backlight side by the top surface of the first part 31a. When it is necessary to further improve the anti-peeping effect, light rays at a large angle can be configured to irradiate the top surface of the first part 31a and be directly reflected back to the backlight side by the top surface.

[0076] The second part 31b of the component part 311 has a structure that is wider at the top and narrower at the bottom. For example, the pattern of its vertical section is inverted trapezoidal or inverted trapezoid-like. When light rays at a large angle irradiate the side surface of the second part 31b, the light rays are reflected by the side surface, thereby reducing the exit angle, further improving the anti-peeping effect and increasing the light output brightness.

[0077] In this embodiment, the second part 31b is located on the side close to the light-emitting layer 20, so that light rays at a large angle are reflected by the second total reflection interface f2 into light rays at a smaller angle and emitted, that is, the anti-peeping effect is achieved and the light output brightness is increased; and the first part 31a is located on the side far from the light-emitting layer 20, so that light rays at a larger angle are blocked by the first total reflection interface f1, further improving the anti-peeping viewing angle range. Therefore, compared with the grating-type anti-peeping film, this embodiment has better light output brightness and greater adjustability of the anti-peeping angle.

[0078] Optionally, in the component part 311, the bottom surface of the second part 31b is disposed opposite to the top surface of the first part 31a. The top surface of the first part 31a is located on the side of the bottom surface of the second part 32b away from the driving substrate 10.

[0079] The side surface of the first part 31a and the plane where the top surface of the first part 31a is located have a first included angle a1. The side surface of the second part 31b and the plane where the bottom surface of the second part 31b is located have a second included angle a2. The first included angle a1 is greater than or equal to 50 degrees and less than or equal to 75 degrees. The second included angle a2 is greater than or equal to 50 degrees and less than or equal to 75 degrees.

[0080] It can be understood that when the second included angle a2 is smaller, the amount of light rays irradiating the side surface is less, the amount of reflected light rays is less, and the anti-peeping effect is worse; when the second included angle a2 is larger, the amount of light rays irradiating the side surface is more, the amount of reflected light rays is more, and the anti-peeping effect is better and the light output effect is better.

[0081] In this embodiment, by setting the second included angle a2 to be greater than or equal to 50 degrees and less than or equal to 75 degrees, the anti-peeping effect is ensured and the risk of too dark light output brightness is avoided.

[0082] Optionally, the second included angle a2 can be 50 degrees, 55 degrees, 60 degrees, 65 degrees, 70 degrees or 75 degrees.

[0083] In this embodiment, by setting the first included angle a1 to be greater than or equal to 50 degrees and less than or equal to 75 degrees, and the second included angle a2 to be greater than or equal to 50 degrees and less than or equal to 75 degrees, the light output effect is improved while the anti-peeping viewing angle is appropriate.

[0084] Optionally, the second included angle a2 is greater than the first included angle a1 to improve the light output effect.

[0085] In some embodiments, the first included angle a1 is equal to the second included angle a2.

[0086] Optionally, the thickness of the third light-transmitting layer 33 is between 1.5 and 2.5 micrometers. The thickness of the component part 311 is between 3 and 4 micrometers.

[0087] Optionally, the thickness of the second part 31b is equal to the thickness of the third light-transmitting layer 33. The thickness of the third light-transmitting layer 33 is between 1.5 and 2.5 micrometers. It can be understood that when the thickness of the third light-transmitting layer 33 is larger, the amount of light radiating to the side of the second part 31b is more, the amount of reflected light is more, the anti-peeping effect is better and the light output effect is better; when the thickness of the third light-transmitting layer 33 is smaller, the amount of light radiating to the side is smaller, the amount of reflected light is smaller, the anti-peeping effect is worse and the light output effect is worse.

[0088] In this embodiment, by setting the thickness of the component part 311 to be between 3 and 4 micrometers, the anti-peeping effect is ensured and the risk of too dark light output brightness is avoided.

[0089] Optionally, the thickness of the component part 311 can be 3 micrometers, 3.1 micrometers, 3.2 micrometers, 3.3 micrometers, 3.4 micrometers, 3.5 micrometers, 3.6 micrometers, 3.7 micrometers, 3.8 micrometers, 3.9 micrometers or 4 micrometers.

[0090] The thickness of the third light-transmitting layer 33 can be 1.5 micrometers, 1.6 micrometers, 1.7 micrometers, 1.8 micrometers, 1.9 micrometers, 2 micrometers, 2.1 micrometers, 2.2 micrometers, 2.3 micrometers, 2.4 micrometers or 2.5 micrometers.

[0091] In addition, in this embodiment, the second included angle a2 is set to be greater than or equal to 50 degrees and less than or equal to 75 degrees, and the thickness of the component part 311 is between 3 and 4 micrometers, so as to reduce the risk of too dark light output brightness of the display panel 100 on the premise of achieving the anti-peeping function.

[0092] Optionally, the thickness of the first part 31a is less than the thickness of the second part 31b to improve the light output efficiency under the same anti-peeping viewing angle.

[0093] Optionally, the side surface of the first part 31a is connected to the side surface of the second part 31b. In this embodiment, by connecting the side surface of the first part 31a to the side surface of the second part 31b, the anti-peeping effect is improved.

[0094] Embodiment Three

[0095] Please refer to Figure 5 and Figure 6 , the difference between this Embodiment Three and any of the above embodiments is that the first light-transmitting layer 31 further includes an intermediate layer 312. The intermediate layer 312 is connected to the component part 311, and the intermediate layer 312 is disposed on the side of the third light-transmitting layer 33 away from the driving substrate 10.

[0096] Among them, since the intermediate layer 312 is connected to the component part 311, and the two are integrally formed and made of the same material, part of the light can be emitted through the connection between the intermediate layer 312 and the component part 311, thereby improving the light-emitting brightness. In addition, since the intermediate layer 312 is attached between the second light-transmitting layer 32 and the third light-transmitting layer 33, the attachment stability of the second light-transmitting layer 32 and the third light-transmitting layer 33 is improved, and the risk of film layer separation in the anti-peeping structure layer 30 is reduced.

[0097] Optionally, the thickness of the intermediate layer 312 is less than or equal to 3 microns, such as 3 microns, 2.5 microns, 2 microns, 1.5 microns, 1 micron or 0.5 microns, etc.

[0098] It can be understood that the smaller the thickness of the intermediate layer 312, the more the large-angle light irradiates the first total reflection interface f1, and the better the anti-peeping effect; the larger the thickness of the intermediate layer 312, the less the large-angle light irradiates the first total reflection interface f1, and the worse the anti-peeping effect but the better the light-emitting brightness. Therefore, the thickness of the intermediate layer 312 is less than or equal to 3 microns to ensure a balance between the anti-peeping effect and the light-emitting brightness.

[0099] Optionally, the refractive index of the intermediate layer 312 is greater than the refractive indices of the second light-transmitting layer 32 and the third light-transmitting layer 33, so that the intermediate layer 312 forms total reflection interfaces with the second light-transmitting layer 32 and the third light-transmitting layer 33 respectively, thereby promoting the intermediate layer 312 to form an optical waveguide layer. When large-angle light radiates into the intermediate layer 312, the light will propagate forward in the intermediate layer 312 until it irradiates the component part 311. Among them, part of the light is irradiated to the backlight side through the component part 311, improving the anti-peeping effect; part of the light is emitted after the emission angle is reduced through the component part 311, improving the light-emitting efficiency.

[0100] The above has introduced in detail a display panel provided by an embodiment of the present application. Specific examples are used herein to illustrate the principle and implementation manner of the present application. The description of the above embodiments is only used to help understand the method and its core idea of the present application; at the same time, for those skilled in the art, according to the idea of the present application, there will be changes in the specific implementation manner and application scope. In summary, the content of this specification should not be construed as a limitation to the present application.

Claims

1. A display panel, characterized in that, Comprising: A driving substrate; A light-emitting layer disposed on the driving substrate, the light-emitting layer including a plurality of light-emitting pixels, and An anti-peeping structure layer disposed on the light-emitting layer; the anti-peeping structure layer includes a first light-transmitting layer and a second light-transmitting layer, the first light-transmitting layer is disposed on a side of the light-emitting layer away from the driving substrate, and the second light-transmitting layer is disposed on a side of the first light-transmitting layer away from the driving substrate; The first light-transmitting layer at least includes a member portion, the member portion is disposed overlapping with the light-emitting pixel, and the refractive index of the second light-transmitting layer is less than the refractive index of the member portion; The member portion includes a first part, the first part and the second light-transmitting layer form a first total reflection interface for reflecting part of the light to the backlight side of the display panel; In a direction from the driving substrate to the anti-peeping structure layer, the width of the first part of the member portion decreases, the second light-transmitting layer covers a side surface of the first part of the member portion, and a plane where the side surface of the first part and the top surface of the first part intersect forms a first included angle.

2. The display panel according to claim 1, characterized in that, The anti-peeping structure layer further includes a third light-transmitting layer disposed on a side of the first light-transmitting layer close to the light-emitting layer, and openings corresponding to the light-emitting pixels are disposed on the third light-transmitting layer; The member portion further includes a second part disposed on a side of the first part close to the driving substrate, the second part is disposed in the opening and forms a second total reflection interface with a side wall of the opening, and the second total reflection interface is used for narrowing an exit angle of part of the light.

3. The display panel according to claim 2, wherein The refractive index of the third light-transmitting layer is less than the refractive index of the member portion.

4. The display panel according to claim 2, characterized in that The width of the second part of the member portion increases.

5. The display panel according to claim 4, wherein In the member portion, the bottom surface of the second part is disposed opposite to the top surface of the first part, and the top surface of the first part is located on a side of the bottom surface of the second part away from the driving substrate; A side surface of the second part and a plane where the bottom surface of the second part is located have a second included angle, the first included angle is greater than or equal to 50 degrees and less than or equal to 75 degrees, and the second included angle is greater than or equal to 50 degrees and less than or equal to 75 degrees.

6. The display panel according to claim 5, wherein, The thickness of the third light-transmitting layer is between 1.5 and 2.5 micrometers, and the thickness of the member portion is between 3 and 4 micrometers.

7. The display panel according to claim 5, wherein The first included angle is equal to the second included angle.

8. The display panel according to claim 5, wherein The side surface of the first part is connected to the side surface of the second part.

9. The display panel according to claim 3, wherein The first light-transmitting layer further includes an intermediate layer connected to the member portion, and the intermediate layer is disposed on a side of the third light-transmitting layer away from the driving substrate.

10. The display panel according to claim 3, characterized in that, The refractive index of the first light-transmitting layer is greater than or equal to 1.7, the refractive index of the second light-transmitting layer is less than or equal to 1.5, and the refractive index of the third light-transmitting layer is less than or equal to 1.

5.

11. The display panel according to any one of claims 1-10, characterized in that, The display panel further includes a packaging layer disposed between the light-emitting layer and the anti-peeping structure layer; The packaging layer includes a first inorganic layer, an organic packaging layer, and a second inorganic layer stacked in sequence, or the packaging layer is an inorganic packaging layer.

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